The future where the Virus of Death shall destroy humanity awaits. In order for humans to avert that destiny, Raito is asked to travel back to the past. His mission: to make sure a normal high school freshman Tanaka Yuu makes children with his childhood friend Takane Kyouko! [from paramitan of MangaHelpers]

The series Tadashii Kodomo no Tsukurikata! has been licensed, it is not available in Manga Fox.